#! /bin/sh
print_version_string()
{
if grep GIT "$1" >/dev/null
then
read ver <"$1"
echo $ver | tr -d '\012'
date +_%Y_%m_%d
else
cat "$1"
fi
}
if test $# != 3
then
echo "Usage: gen_version_header.sh <version file> <template> <output file>" 1>&2
exit 1
fi
version_string=`print_version_string "$1"`
sed "s/%%LIBPCAP_VERSION%%/$version_string/" "$2" >"$3"